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TOPIC: Re:Power Commander Help. Forum Tools Post New Topic Show latest posts Rules

#207156 TampaSVT (User) Life is hard. It's harder if yer' stupid(J.Wayne) Platinum Boarder Posts: 4599 Re:Power Commander Help. 2 Years, 11 Months ago   Deadhead: If I were you, I'd check a couple of things. 1. Did they remove the AIS system? It's on the front of the bike, near the rectifier. It connects to little chrome tubes that attach to each cylinder on the LH side (as you're sitting on it). 2. Did they install the 02 sensors back into the pipes? They twist in on the backside of the pipes and have wires attached. If all they did was pipes, and actually removed the AIS, you shouldn't have any popping or backfiring. Parts 24-36 refers to the AIS system. AIS System Diagram Rich   Logged     Last Edit: 2009/06/27 20:44 By TampaSVT.   2008 Road Star Tricky Air Ride(remote controlled) 6-degree Raked Front-end Ape Hangers w/Internal Throttle & Wiring RoadHouse Dooleys Bunch of chrome Online Album http://www.TampaSVT.com   The administrator has disabled public write access. #207189 syfdeadhead (User) Fresh Boarder Posts: 82 Re:Power Commander Help. 2 Years, 11 Months ago   The AIS is all gone and the 02 sensors are still pluged in the oem headers, I all so checked to make sure the slip ons were tight at the headers and they are, so there are no leaks in the systems and the baffles are in properly. I am at a loss, from my understanding the poping and backfire is a sign of running to lean and there is no way to tune the oem FI. SYF   Logged     The administrator has disabled public write access. #207203 TampaSVT (User) Life is hard. It's harder if yer' stupid(J.Wayne) Platinum Boarder Posts: 4599 Re:Power Commander Help. 2 Years, 11 Months ago   SYF: Popping and backfiring is a sign of air (or unburned fuel vapor) in the exhaust system. Pinging is a sign of running lean. You might want to try this (don't know if it'll work or not). Disconnect the negative terminal on the battery. Press your brake pedal or turn your key to completely discharge the electrical system. Connect the negative back. This may allow the system to completely reset and adjust to your new mods. Hope that helps ya. Rich   Logged     Last Edit: 2009/06/27 22:11 By TampaSVT.   2008 Road Star Tricky Air Ride(remote controlled) 6-degree Raked Front-end Ape Hangers w/Internal Throttle & Wiring RoadHouse Dooleys Bunch of chrome Online Album http://www.TampaSVT.com   The administrator has disabled public write access. #207261 syfdeadhead (User) Fresh Boarder Posts: 82 Re:Power Commander Help. 2 Years, 11 Months ago   Rich Thanks for the tip, I will give it a try and let you know if it worked.   Logged     The administrator has disabled public write access. #207270 scoop47501 (User) Senior Boarder Posts: 238 Re:Power Commander Help. 2 Years, 11 Months ago   I know some folks will not agree with me but that's ok. My wife had the same problem with her FI V-Star 1300. In her case she did have a Cobra FI200 fuel processor installed. Thing popped like crazy until I unplugged the O2 sensors. The Fuel processor was fighting the O2's. Do not do this with your bike unless use install some sort of Fuel managment though. I think in your case there must be some air getting in somewhere. I don't think you need any Fuel managment at all.   Logged       The administrator has disabled public write access. #207274 syfdeadhead (User) Fresh Boarder Posts: 82 Re:Power Commander Help. 2 Years, 11 Months ago   Rich Did as you said and it is much improved, now it only pops and backfires on hard decel and or down shift but not as loud. I may give it a few days and reset it again to see what happens. Thanks again SYF   Logged     The administrator has disabled public write access. #207275 gary.williams20 (User) Fresh Boarder Posts: 28 Re:Power Commander Help. 2 Years, 11 Months ago   I tried the Cobra FI2000 before I got the power commander, FI2000 only really works above 2000 rpms, so running around town at low r's it won't do crap for you, I took the FI2000 off put on the power commander, and still had back fire. removed the AIS and damn all was good no back fire. I left the o2's in the pipes but disconnected them.   Logged     The administrator has disabled public write access. #207355 TampaSVT (User) Life is hard. It's harder if yer' stupid(J.Wayne) Platinum Boarder Posts: 4599 Re:Power Commander Help. 2 Years, 11 Months ago   syfdeadhead wrote: Rich Did as you said and it is much improved, now it only pops and backfires on hard decel and or down shift but not as loud. I may give it a few days and reset it again to see what happens. Thanks again SYF Syf: That's an old trick we learned on the SuperCharged F150 Lightnings. Some vehicles "relearn" on a hard reset, so I'm told. An interesting note: Vehicles are smart enough now to tune to your driving habits. Drive it like a turtle, runs like a turtle. Drive it like you stole it, and well... You get the picture. Making the vehicle relearn once in a while isn't a bad thing. Glad it worked for you. Rich   Logged     2008 Road Star Tricky Air Ride(remote controlled) 6-degree Raked Front-end Ape Hangers w/Internal Throttle & Wiring RoadHouse Dooleys Bunch of chrome Online Album http://www.TampaSVT.com   The administrator has disabled public write access. #207597 syfdeadhead (User) Fresh Boarder Posts: 82 Re:Power Commander Help. 2 Years, 11 Months ago   Well the fix did not last long. The pipes are poping and backfireing as bad as ever so I'm going to take the damn things off and go back to stock pipes and just leave the bike as is. I have had it with FI and 02 B/S.   Logged     The administrator has disabled public write access. #207627 Flashback (Moderator) Just the facts, Ma'am.. Moderator Posts: 9221 Re:Power Commander Help. 2 Years, 11 Months ago   Shoot slugger a pm..he has a pretty good handle on how to deal with FI and mods...   Logged       The administrator has disabled public write access.

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